#374F85#374F85

#374F85 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.5% C 0.094 H 264.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#374F85
RGB	rgb(55, 79, 133)
HSL	hsl(222, 41%, 37%)
HSV	hsv(222, 59%, 52%)
CMYK	cmyk(58.6%, 40.6%, 0%, 47.8%)
CIE-LAB	lab(34.18, 8.19, -33.09)
CIE-LCH	lch(34.18, 34.09, 283.90°)
OKLab	oklab(43.54% -0.0087 -0.0939)
OKLCH	oklch(43.54% 0.094 264.7)
XYZ	xyz(8.6037, 8.0970, 23.2952)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374F85 #856D37

analogous

#377685 #374F85 #463785

triadic

#374F85 #85374F #4F8537

tetradic

#374F85 #853776 #856D37 #378546

square

#374F85 #853776 #856D37 #378546

split-complementary

#374F85 #854637 #768537

monochromatic

#131C2E #25355A #374F85 #4969B0 #728BC5

Accessibility & contrast

On white

8.02

#374F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#374F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F85

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374F85	#FFFFFF	#000000	##FFFFFF
##374F85	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385487

Deuteranopia (green-blind)

#2E4D84

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #374f85;
/* rgb */ color: rgb(55, 79, 133);
/* oklch */ color: oklch(43.5% 0.094 264.7);

Tailwind

colors: {
  custom: {
    50: '#7480a9',
    500: '#374f85',
    950: '#000000',
  },
}

SCSS

$custom: #374f85;
$custom-light: #7480a9;
$custom-dark: #000000;

JSON

{
  "hex": "#374f85",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 133
  },
  "hsl": {
    "h": 221.538,
    "s": 41.489,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43535,
    "c": 0.09428,
    "h": 264.7
  },
  "luminance": 0.08098
}

Semantic roles & 50–950 ramp

primary

#374F85

secondary

#AD996A

accent

#AC56D1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #374F85

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →